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Refractory raw materials |
Self-Flow Castables for Tundish Permanent Lining Al2O3: 70%min SiO2: 10-20% Fe2O3:2%max Bulk density: 2.0-2.6 g/cm3
CCS: 60 MPa Refractoriness: 1800℃min
Application scope: Spare Parts for Steel making Tundish
Product features: shape: ball , so the flow performance is very good, Small contact surface in the best condition.
Refractory raw materials for high-quality risers of iron and steel foundries with automatic moulding machines
Ceramic beads Al2O3: 35-40%, SiO2:55-60% Fe2O3: 1.5-2.0%
Al2O3 : 55-60% SiO2 : 30-35% Fe2O3: 2.0-3.0%
Bulk density: 0.3-0.7g/cm3 Refractoriness: 1650-1800℃ Size:0.1-0.3mm
Application scope : Manufacture high-quality risers of iron and steel foundries.
Product features: shape: ball; size small , heat preservation insulation, insulation being flame-resistant etc.
Foundry sand,Ceramic sand, Ceramic beads， Al2O3≥75% Fe2O3≤5% Tio2 :2.5%-3.5% SiO2 :8-12%
Bulk density: 1.9-2.1g/cm3 Refractoriness: 1800℃ min
Shape： Ball Shape ,Sand Shape
Angle Factor：≤1.1 very close to ball or Sand Shape
Thermal expansion：0.13%（10 minutes at 1000℃） |
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| Product features: high heat-resistant, low heat dilating rate. has advantage of cost and performance than Chrome ore sand for foundries and zircon sand that provide the effective ways to increase improve the quality of the foundry, cost-down and less damage to the environment.
Application scope : Manufacture high-quality risers of iron and steel foundries, Lost-foam, Precoated sand;, Sodium silicon sand , Resin sand, Precision casting etc. |
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